.firstUse{
    height: 100%;
    width: 100%;
    background: #000;
    .swiper-slide{
        background: #000;
    }
    .page1{
        img{
            position:absolute; 
            &:nth-child(1){
                height: 3rem;
                left: 15%;
                bottom: 1%;
            }
            &:nth-child(2){
                height: 1.6rem;
                top: 2%;
                right: 2%;
            }
            &:nth-child(3){
                height: 2.5rem;
                bottom: 5%;
                left: 5%;
            }
        }
    }
    .page2{
        img{
            position:absolute; 
            &:nth-child(1){
                height: 1.2rem;
                left: 2%;
                bottom: 2%;
            }
            &:nth-child(2){
                height: 3rem;
                top: 15%;
                right: 1%;
            }
            &:nth-child(3){
                height: 1rem;
                top: 5%;
                right: 5%;
            }
        }
    }
    .page3{
        img{
            position:absolute; 
            &:nth-child(1){
                height: 1.5rem;
                top: 2%;
                left: 2%;
            }
            &:nth-child(3){
                height: 3rem;
                top: 10%;
                left: 50%;
                transform: translateX(-50%);
            }
            &:nth-child(2){
                height: 5rem;
                top: 8%;
                left: 50%;
                transform: translateX(-50%);
            }
        }
    }
    .page4{
        img{
            height: 100%;
            width: 100%;
        }
    }
}
